ViewVC Help

View File | Revision Log | Show Annotations | Download File | Root Listing

root/jsr166/jsr166/src/test/tck/LinkedTransferQueueTest.java

Comparing jsr166/src/test/tck/LinkedTransferQueueTest.java (file contents):
Revision 1.9 by jsr166, Wed Aug 5 00:43:23 2009 UTC vs.
Revision 1.22 by jsr166, Tue Dec 1 06:03:49 2009 UTC

#	Line 13 | Line 13 | import java.io.ObjectInputStream;
13		import java.io.ObjectOutputStream;
14		import java.util.ArrayList;
15		import java.util.Arrays;
16	–	import java.util.ConcurrentModificationException;
16		import java.util.Iterator;
17	+	import java.util.List;
18		import java.util.NoSuchElementException;
19		import java.util.concurrent.*;
20		import static java.util.concurrent.TimeUnit.MILLISECONDS;
21		import junit.framework.Test;
22		import junit.framework.TestSuite;
23
24	+	@SuppressWarnings({"unchecked", "rawtypes"})
25		public class LinkedTransferQueueTest extends JSR166TestCase {
26
27		public static void main(String[] args) {
#	Line 31 | Line 32 | public class LinkedTransferQueueTest ext
32		return new TestSuite(LinkedTransferQueueTest.class);
33		}
34
35	+	void checkEmpty(LinkedTransferQueue q) throws InterruptedException {
36	+	assertTrue(q.isEmpty());
37	+	assertEquals(0, q.size());
38	+	assertNull(q.peek());
39	+	assertNull(q.poll());
40	+	assertNull(q.poll(0, MILLISECONDS));
41	+	assertEquals(q.toString(), "[]");
42	+	assertTrue(Arrays.equals(q.toArray(), new Object[0]));
43	+	assertFalse(q.iterator().hasNext());
44	+	try {
45	+	q.element();
46	+	shouldThrow();
47	+	} catch (NoSuchElementException success) {}
48	+	try {
49	+	q.iterator().next();
50	+	shouldThrow();
51	+	} catch (NoSuchElementException success) {}
52	+	try {
53	+	q.remove();
54	+	shouldThrow();
55	+	} catch (NoSuchElementException success) {}
56	+	}
57	+
58		/**
59		* Constructor builds new queue with size being zero and empty
60		* being true
#	Line 48 | Line 72 | public class LinkedTransferQueueTest ext
72		try {
73		new LinkedTransferQueue(null);
74		shouldThrow();
75	<	} catch (NullPointerException success) {
52	<	}
75	>	} catch (NullPointerException success) {}
76		}
77
78		/**
#	Line 61 | Line 84 | public class LinkedTransferQueueTest ext
84		Integer[] ints = new Integer[SIZE];
85		new LinkedTransferQueue(Arrays.asList(ints));
86		shouldThrow();
87	<	} catch (NullPointerException success) {
65	<	}
87	>	} catch (NullPointerException success) {}
88		}
89
90		/**
#	Line 77 | Line 99 | public class LinkedTransferQueueTest ext
99		}
100		new LinkedTransferQueue(Arrays.asList(ints));
101		shouldThrow();
102	<	} catch (NullPointerException success) {
81	<	}
102	>	} catch (NullPointerException success) {}
103		}
104
105		/**
106		* Queue contains all elements of the collection it is initialized by
107		*/
108		public void testConstructor5() {
109	<	try {
110	<	Integer[] ints = new Integer[SIZE];
111	<	for (int i = 0; i < SIZE; ++i) {
112	<	ints[i] = i;
113	<	}
114	<	LinkedTransferQueue q
115	<	= new LinkedTransferQueue(Arrays.asList(ints));
116	<	for (int i = 0; i < SIZE; ++i) {
117	<	assertEquals(ints[i], q.poll());
118	<	}
119	<	} finally {
109	>	Integer[] ints = new Integer[SIZE];
110	>	for (int i = 0; i < SIZE; ++i) {
111	>	ints[i] = i;
112	>	}
113	>	List intList = Arrays.asList(ints);
114	>	LinkedTransferQueue q
115	>	= new LinkedTransferQueue(intList);
116	>	assertEquals(q.size(), intList.size());
117	>	assertEquals(q.toString(), intList.toString());
118	>	assertTrue(Arrays.equals(q.toArray(),
119	>	intList.toArray()));
120	>	assertTrue(Arrays.equals(q.toArray(new Object[0]),
121	>	intList.toArray(new Object[0])));
122	>	assertTrue(Arrays.equals(q.toArray(new Object[SIZE]),
123	>	intList.toArray(new Object[SIZE])));
124	>	for (int i = 0; i < SIZE; ++i) {
125	>	assertEquals(ints[i], q.poll());
126		}
127		}
128
129		/**
130	<	* Remaining capacity never decrease nor increase on add or remove
130	>	* remainingCapacity() always returns Integer.MAX_VALUE
131		*/
132		public void testRemainingCapacity() {
133		LinkedTransferQueue<Integer> q = populatedQueue(SIZE);
#	Line 124 | Line 151 | public class LinkedTransferQueueTest ext
151		LinkedTransferQueue q = new LinkedTransferQueue();
152		q.offer(null);
153		shouldThrow();
154	<	} catch (NullPointerException success) {
128	<	}
154	>	} catch (NullPointerException success) {}
155		}
156
157		/**
#	Line 136 | Line 162 | public class LinkedTransferQueueTest ext
162		LinkedTransferQueue q = new LinkedTransferQueue();
163		q.add(null);
164		shouldThrow();
165	<	} catch (NullPointerException success) {
140	<	}
165	>	} catch (NullPointerException success) {}
166		}
167
168		/**
#	Line 148 | Line 173 | public class LinkedTransferQueueTest ext
173		LinkedTransferQueue q = new LinkedTransferQueue();
174		q.addAll(null);
175		shouldThrow();
176	<	} catch (NullPointerException success) {
152	<	}
176	>	} catch (NullPointerException success) {}
177		}
178
179		/**
#	Line 160 | Line 184 | public class LinkedTransferQueueTest ext
184		LinkedTransferQueue q = populatedQueue(SIZE);
185		q.addAll(q);
186		shouldThrow();
187	<	} catch (IllegalArgumentException success) {
164	<	}
187	>	} catch (IllegalArgumentException success) {}
188		}
189
190		/**
#	Line 173 | Line 196 | public class LinkedTransferQueueTest ext
196		Integer[] ints = new Integer[SIZE];
197		q.addAll(Arrays.asList(ints));
198		shouldThrow();
199	<	} catch (NullPointerException success) {
177	<	}
199	>	} catch (NullPointerException success) {}
200		}
201
202		/**
#	Line 190 | Line 212 | public class LinkedTransferQueueTest ext
212		}
213		q.addAll(Arrays.asList(ints));
214		shouldThrow();
215	<	} catch (NullPointerException success) {
194	<	}
215	>	} catch (NullPointerException success) {}
216		}
217
218		/**
#	Line 228 | Line 249 | public class LinkedTransferQueueTest ext
249		public void testPut() {
250		LinkedTransferQueue<Integer> q = new LinkedTransferQueue<Integer>();
251		for (int i = 0; i < SIZE; ++i) {
252	+	assertEquals(q.size(), i);
253		q.put(i);
254		assertTrue(q.contains(i));
255		}
234	–	assertEquals(q.size(), SIZE);
256		}
257
258		/**
#	Line 250 | Line 271 | public class LinkedTransferQueueTest ext
271		public void testTakeFromEmpty() throws InterruptedException {
272		final LinkedTransferQueue q = new LinkedTransferQueue();
273		Thread t = newStartedThread(new CheckedInterruptedRunnable() {
274	<	void realRun() throws InterruptedException {
274	>	public void realRun() throws InterruptedException {
275		q.take();
276		}});
277		Thread.sleep(SHORT_DELAY_MS);
#	Line 262 | Line 283 | public class LinkedTransferQueueTest ext
283		* Take removes existing elements until empty, then blocks interruptibly
284		*/
285		public void testBlockingTake() throws InterruptedException {
286	<	Thread t = newStartedThread(new CheckedInterruptedRunnable() {
287	<	void realRun() throws InterruptedException {
288	<	LinkedTransferQueue<Integer> q = populatedQueue(SIZE);
286	>	final LinkedTransferQueue<Integer> q = populatedQueue(SIZE);
287	>	Thread t = new Thread(new CheckedRunnable() {
288	>	public void realRun() throws InterruptedException {
289		for (int i = 0; i < SIZE; ++i) {
290	<	threadAssertEquals(i, (int) q.take());
290	>	assertEquals(i, (int) q.take());
291		}
292	<	q.take();
292	>	try {
293	>	q.take();
294	>	shouldThrow();
295	>	} catch (InterruptedException success) {}
296		}});
297	+
298	+	t.start();
299		Thread.sleep(SHORT_DELAY_MS);
300		t.interrupt();
301		t.join();
302	+	checkEmpty(q);
303		}
304
305		/**
306		* poll succeeds unless empty
307		*/
308	<	public void testPoll() {
308	>	public void testPoll() throws InterruptedException {
309		LinkedTransferQueue<Integer> q = populatedQueue(SIZE);
310		for (int i = 0; i < SIZE; ++i) {
311		assertEquals(i, (int) q.poll());
312		}
313		assertNull(q.poll());
314	+	checkEmpty(q);
315		}
316
317		/**
#	Line 295 | Line 323 | public class LinkedTransferQueueTest ext
323		assertEquals(i, (int) q.poll(0, MILLISECONDS));
324		}
325		assertNull(q.poll(0, MILLISECONDS));
326	+	checkEmpty(q);
327		}
328
329		/**
#	Line 303 | Line 332 | public class LinkedTransferQueueTest ext
332		public void testTimedPoll() throws InterruptedException {
333		LinkedTransferQueue<Integer> q = populatedQueue(SIZE);
334		for (int i = 0; i < SIZE; ++i) {
335	<	assertEquals(i, (int) q.poll(SHORT_DELAY_MS, MILLISECONDS));
335	>	long t0 = System.nanoTime();
336	>	assertEquals(i, (int) q.poll(LONG_DELAY_MS, MILLISECONDS));
337	>	long millisElapsed = (System.nanoTime() - t0)/(1024 * 1024);
338	>	assertTrue(millisElapsed < SMALL_DELAY_MS);
339		}
340		assertNull(q.poll(SHORT_DELAY_MS, MILLISECONDS));
341	+	checkEmpty(q);
342		}
343
344		/**
#	Line 314 | Line 347 | public class LinkedTransferQueueTest ext
347		*/
348		public void testInterruptedTimedPoll() throws InterruptedException {
349		final LinkedTransferQueue<Integer> q = populatedQueue(SIZE);
350	<	Thread t = newStartedThread(new CheckedInterruptedRunnable() {
351	<	void realRun() throws InterruptedException {
350	>	Thread t = newStartedThread(new CheckedRunnable() {
351	>	public void realRun() throws InterruptedException {
352		for (int i = 0; i < SIZE; ++i) {
353	+	long t0 = System.nanoTime();
354		threadAssertEquals(i, (int) q.poll(LONG_DELAY_MS,
355		MILLISECONDS));
356	+	long millisElapsed = (System.nanoTime() - t0)/(1024 * 1024);
357	+	assertTrue(millisElapsed < SMALL_DELAY_MS);
358		}
359	<	q.poll(LONG_DELAY_MS, MILLISECONDS);
359	>	try {
360	>	q.poll(LONG_DELAY_MS, MILLISECONDS);
361	>	shouldThrow();
362	>	} catch (InterruptedException success) {}
363		}});
364	+
365		Thread.sleep(SMALL_DELAY_MS);
366		t.interrupt();
367		t.join();
368	<	assertEquals(q.size(), 0);
329	<	assertNull(q.poll());
368	>	checkEmpty(q);
369		}
370
371		/**
#	Line 335 | Line 374 | public class LinkedTransferQueueTest ext
374		*/
375		public void testTimedPollWithOffer() throws InterruptedException {
376		final LinkedTransferQueue q = new LinkedTransferQueue();
377	<	Thread t = newStartedThread(new CheckedInterruptedRunnable() {
378	<	void realRun() throws InterruptedException {
379	<	threadAssertNull(q.poll(SHORT_DELAY_MS, MILLISECONDS));
380	<	q.poll(LONG_DELAY_MS, MILLISECONDS);
381	<	q.poll(LONG_DELAY_MS, MILLISECONDS);
377	>	Thread t = new Thread(new CheckedRunnable() {
378	>	public void realRun() throws InterruptedException {
379	>	assertNull(q.poll(SHORT_DELAY_MS, MILLISECONDS));
380	>	assertSame(zero, q.poll(LONG_DELAY_MS, MILLISECONDS));
381	>	try {
382	>	q.poll(LONG_DELAY_MS, MILLISECONDS);
383	>	shouldThrow();
384	>	} catch (InterruptedException success) {}
385		}});
386	+
387	+	t.start();
388		Thread.sleep(SMALL_DELAY_MS);
389		assertTrue(q.offer(zero, SHORT_DELAY_MS, MILLISECONDS));
390		t.interrupt();
#	Line 350 | Line 394 | public class LinkedTransferQueueTest ext
394		/**
395		* peek returns next element, or null if empty
396		*/
397	<	public void testPeek() {
397	>	public void testPeek() throws InterruptedException {
398		LinkedTransferQueue<Integer> q = populatedQueue(SIZE);
399		for (int i = 0; i < SIZE; ++i) {
400		assertEquals(i, (int) q.peek());
#	Line 359 | Line 403 | public class LinkedTransferQueueTest ext
403		i != (int) q.peek());
404		}
405		assertNull(q.peek());
406	+	checkEmpty(q);
407		}
408
409		/**
410		* element returns next element, or throws NoSuchElementException if empty
411		*/
412	<	public void testElement() {
412	>	public void testElement() throws InterruptedException {
413		LinkedTransferQueue<Integer> q = populatedQueue(SIZE);
414		for (int i = 0; i < SIZE; ++i) {
415		assertEquals(i, (int) q.element());
#	Line 373 | Line 418 | public class LinkedTransferQueueTest ext
418		try {
419		q.element();
420		shouldThrow();
421	<	} catch (NoSuchElementException success) {
422	<	}
421	>	} catch (NoSuchElementException success) {}
422	>	checkEmpty(q);
423		}
424
425		/**
426		* remove removes next element, or throws NoSuchElementException if empty
427		*/
428	<	public void testRemove() {
428	>	public void testRemove() throws InterruptedException {
429		LinkedTransferQueue<Integer> q = populatedQueue(SIZE);
430		for (int i = 0; i < SIZE; ++i) {
431		assertEquals(i, (int) q.remove());
#	Line 388 | Line 433 | public class LinkedTransferQueueTest ext
433		try {
434		q.remove();
435		shouldThrow();
436	<	} catch (NoSuchElementException success) {
437	<	}
436	>	} catch (NoSuchElementException success) {}
437	>	checkEmpty(q);
438		}
439
440		/**
441		* remove(x) removes x and returns true if present
442		*/
443	<	public void testRemoveElement() {
443	>	public void testRemoveElement() throws InterruptedException {
444		LinkedTransferQueue q = populatedQueue(SIZE);
445		for (int i = 1; i < SIZE; i += 2) {
446		assertTrue(q.remove(i));
#	Line 404 | Line 449 | public class LinkedTransferQueueTest ext
449		assertTrue(q.remove(i));
450		assertFalse(q.remove(i + 1));
451		}
452	<	assertTrue(q.isEmpty());
452	>	checkEmpty(q);
453		}
454
455		/**
#	Line 417 | Line 462 | public class LinkedTransferQueueTest ext
462		assertTrue(q.remove(one));
463		assertTrue(q.remove(two));
464		assertTrue(q.add(three));
465	<	assertTrue(q.take() != null);
465	>	assertTrue(q.take() == three);
466		}
467
468		/**
#	Line 435 | Line 480 | public class LinkedTransferQueueTest ext
480		/**
481		* clear removes all elements
482		*/
483	<	public void testClear() {
483	>	public void testClear() throws InterruptedException {
484		LinkedTransferQueue q = populatedQueue(SIZE);
485		q.clear();
486	<	assertTrue(q.isEmpty());
442	<	assertEquals(0, q.size());
486	>	checkEmpty(q);
487		assertEquals(Integer.MAX_VALUE, q.remainingCapacity());
488		q.add(one);
489		assertFalse(q.isEmpty());
490	+	assertEquals(1, q.size());
491		assertTrue(q.contains(one));
492		q.clear();
493	<	assertTrue(q.isEmpty());
493	>	checkEmpty(q);
494		}
495
496		/**
#	Line 499 | Line 544 | public class LinkedTransferQueueTest ext
544		}
545
546		/**
547	<	* toArray contains all elements
547	>	* toArray() contains all elements
548		*/
549		public void testToArray() throws InterruptedException {
550		LinkedTransferQueue q = populatedQueue(SIZE);
#	Line 525 | Line 570 | public class LinkedTransferQueueTest ext
570		* toArray(null) throws NullPointerException
571		*/
572		public void testToArray_BadArg() {
573	+	LinkedTransferQueue q = populatedQueue(SIZE);
574		try {
529	–	LinkedTransferQueue q = populatedQueue(SIZE);
575		Object o[] = q.toArray(null);
576		shouldThrow();
577	<	} catch (NullPointerException success) {
533	<	}
577	>	} catch (NullPointerException success) {}
578		}
579
580		/**
581	<	* toArray with incompatible array type throws CCE
581	>	* toArray(incompatible array type) throws CCE
582		*/
583		public void testToArray1_BadArg() {
584	+	LinkedTransferQueue q = populatedQueue(SIZE);
585		try {
541	–	LinkedTransferQueue q = populatedQueue(SIZE);
586		Object o[] = q.toArray(new String[10]);
587		shouldThrow();
588	<	} catch (ArrayStoreException success) {
545	<	}
588	>	} catch (ArrayStoreException success) {}
589		}
590
591		/**
#	Line 551 | Line 594 | public class LinkedTransferQueueTest ext
594		public void testIterator() throws InterruptedException {
595		LinkedTransferQueue q = populatedQueue(SIZE);
596		Iterator it = q.iterator();
597	+	int i = 0;
598		while (it.hasNext()) {
599	<	assertEquals(it.next(), q.take());
599	>	assertEquals(it.next(), i++);
600		}
601	+	assertEquals(i, SIZE);
602		}
603
604		/**
605	<	* iterator.remove removes current element
605	>	* iterator.remove() removes current element
606		*/
607		public void testIteratorRemove() {
608		final LinkedTransferQueue q = new LinkedTransferQueue();
#	Line 629 | Line 674 | public class LinkedTransferQueueTest ext
674		ExecutorService executor = Executors.newFixedThreadPool(2);
675
676		executor.execute(new CheckedRunnable() {
677	<	void realRun() {
677	>	public void realRun() {
678		threadAssertTrue(q.offer(three, MEDIUM_DELAY_MS,
679		MILLISECONDS));
680		}});
681
682		executor.execute(new CheckedRunnable() {
683	<	void realRun() throws InterruptedException {
683	>	public void realRun() throws InterruptedException {
684		Thread.sleep(SMALL_DELAY_MS);
685		threadAssertEquals(one, q.take());
686		}});
#	Line 644 | Line 689 | public class LinkedTransferQueueTest ext
689		}
690
691		/**
692	<	* poll retrieves elements across Executor threads
692	>	* timed poll retrieves elements across Executor threads
693		*/
694		public void testPollInExecutor() {
695		final LinkedTransferQueue q = new LinkedTransferQueue();
696		ExecutorService executor = Executors.newFixedThreadPool(2);
697
698		executor.execute(new CheckedRunnable() {
699	<	void realRun() throws InterruptedException {
700	<	threadAssertNull(q.poll());
701	<	threadAssertTrue(null != q.poll(MEDIUM_DELAY_MS,
702	<	MILLISECONDS));
658	<	threadAssertTrue(q.isEmpty());
699	>	public void realRun() throws InterruptedException {
700	>	assertNull(q.poll());
701	>	assertSame(one, q.poll(MEDIUM_DELAY_MS, MILLISECONDS));
702	>	assertTrue(q.isEmpty());
703		}});
704
705		executor.execute(new CheckedRunnable() {
706	<	void realRun() throws InterruptedException {
706	>	public void realRun() throws InterruptedException {
707		Thread.sleep(SMALL_DELAY_MS);
708		q.put(one);
709		}});
#	Line 699 | Line 743 | public class LinkedTransferQueueTest ext
743		try {
744		q.drainTo(null);
745		shouldThrow();
746	<	} catch (NullPointerException success) {
703	<	}
746	>	} catch (NullPointerException success) {}
747		}
748
749		/**
#	Line 711 | Line 754 | public class LinkedTransferQueueTest ext
754		try {
755		q.drainTo(q);
756		shouldThrow();
757	<	} catch (IllegalArgumentException success) {
715	<	}
757	>	} catch (IllegalArgumentException success) {}
758		}
759
760		/**
#	Line 742 | Line 784 | public class LinkedTransferQueueTest ext
784		}
785
786		/**
787	<	* drainTo empties full queue, unblocking a waiting put.
787	>	* drainTo(c) empties full queue, unblocking a waiting put.
788		*/
789		public void testDrainToWithActivePut() throws InterruptedException {
790		final LinkedTransferQueue q = populatedQueue(SIZE);
791		Thread t = newStartedThread(new CheckedRunnable() {
792	<	void realRun() {
792	>	public void realRun() {
793		q.put(SIZE + 1);
794		}});
795		ArrayList l = new ArrayList();
#	Line 766 | Line 808 | public class LinkedTransferQueueTest ext
808		public void testDrainToNullN() {
809		LinkedTransferQueue q = populatedQueue(SIZE);
810		try {
811	<	q.drainTo(null, 0);
811	>	q.drainTo(null, SIZE);
812		shouldThrow();
813	<	} catch (NullPointerException success) {
772	<	}
813	>	} catch (NullPointerException success) {}
814		}
815
816		/**
#	Line 778 | Line 819 | public class LinkedTransferQueueTest ext
819		public void testDrainToSelfN() {
820		LinkedTransferQueue q = populatedQueue(SIZE);
821		try {
822	<	q.drainTo(q, 0);
822	>	q.drainTo(q, SIZE);
823		shouldThrow();
824	<	} catch (IllegalArgumentException success) {
784	<	}
824	>	} catch (IllegalArgumentException success) {}
825		}
826
827		/**
#	Line 807 | Line 847 | public class LinkedTransferQueueTest ext
847		}
848
849		/**
850	<	* poll and take decrement the waiting consumer count
850	>	* timed poll() or take() increments the waiting consumer count;
851	>	* offer(e) decrements the waiting consumer count
852		*/
853		public void testWaitingConsumer() throws InterruptedException {
854		final LinkedTransferQueue q = new LinkedTransferQueue();
855	<	final ConsumerObserver waiting = new ConsumerObserver();
855	>	assertEquals(q.getWaitingConsumerCount(), 0);
856	>	assertFalse(q.hasWaitingConsumer());
857
858		Thread t = newStartedThread(new CheckedRunnable() {
859	<	void realRun() throws InterruptedException {
859	>	public void realRun() throws InterruptedException {
860		Thread.sleep(SMALL_DELAY_MS);
861	<	threadAssertTrue(q.hasWaitingConsumer());
862	<	waiting.setWaitingConsumer(q.getWaitingConsumerCount());
863	<	threadAssertTrue(q.offer(new Object()));
861	>	assertTrue(q.hasWaitingConsumer());
862	>	assertEquals(q.getWaitingConsumerCount(), 1);
863	>	assertTrue(q.offer(one));
864	>	assertFalse(q.hasWaitingConsumer());
865	>	assertEquals(q.getWaitingConsumerCount(), 0);
866		}});
867
868	<	assertTrue(q.poll(LONG_DELAY_MS, MILLISECONDS) != null);
869	<	assertTrue(q.getWaitingConsumerCount()
870	<	< waiting.getWaitingConsumers());
868	>	assertSame(one, q.poll(LONG_DELAY_MS, MILLISECONDS));
869	>	assertEquals(q.getWaitingConsumerCount(), 0);
870	>	assertFalse(q.hasWaitingConsumer());
871		t.join();
872		}
873
#	Line 835 | Line 879 | public class LinkedTransferQueueTest ext
879		LinkedTransferQueue q = new LinkedTransferQueue();
880		q.transfer(null);
881		shouldThrow();
882	<	} catch (NullPointerException ex) {
839	<	}
882	>	} catch (NullPointerException success) {}
883		}
884
885		/**
#	Line 848 | Line 891 | public class LinkedTransferQueueTest ext
891		= new LinkedTransferQueue<Integer>();
892
893		Thread t = newStartedThread(new CheckedRunnable() {
894	<	void realRun() throws InterruptedException {
894	>	public void realRun() throws InterruptedException {
895		q.transfer(SIZE);
896		threadAssertTrue(q.isEmpty());
897		}});
#	Line 868 | Line 911 | public class LinkedTransferQueueTest ext
911		= new LinkedTransferQueue<Integer>();
912
913		Thread first = newStartedThread(new CheckedRunnable() {
914	<	void realRun() throws InterruptedException {
914	>	public void realRun() throws InterruptedException {
915		Integer i = SIZE + 1;
916		q.transfer(i);
917		threadAssertTrue(!q.contains(i));
#	Line 877 | Line 920 | public class LinkedTransferQueueTest ext
920
921		Thread interruptedThread = newStartedThread(
922		new CheckedInterruptedRunnable() {
923	<	void realRun() throws InterruptedException {
923	>	public void realRun() throws InterruptedException {
924		while (q.size() == 0)
925		Thread.yield();
926		q.transfer(SIZE);
#	Line 903 | Line 946 | public class LinkedTransferQueueTest ext
946		final LinkedTransferQueue q = new LinkedTransferQueue();
947
948		Thread t = newStartedThread(new CheckedRunnable() {
949	<	void realRun() throws InterruptedException {
949	>	public void realRun() throws InterruptedException {
950		q.transfer(four);
951		threadAssertFalse(q.contains(four));
952		threadAssertEquals(three, q.poll());
#	Line 924 | Line 967 | public class LinkedTransferQueueTest ext
967		= new LinkedTransferQueue<Integer>();
968
969		Thread t = newStartedThread(new CheckedRunnable() {
970	<	void realRun() throws InterruptedException {
970	>	public void realRun() throws InterruptedException {
971		q.transfer(SIZE);
972	<	threadAssertTrue(q.isEmpty());
972	>	checkEmpty(q);
973		}});
974
975		Thread.sleep(SHORT_DELAY_MS);
976		assertEquals(SIZE, (int) q.take());
977	<	assertTrue(q.isEmpty());
977	>	checkEmpty(q);
978		t.join();
979		}
980
#	Line 943 | Line 986 | public class LinkedTransferQueueTest ext
986		final LinkedTransferQueue q = new LinkedTransferQueue();
987		q.tryTransfer(null);
988		shouldThrow();
989	<	} catch (NullPointerException ex) {
947	<	}
989	>	} catch (NullPointerException success) {}
990		}
991
992		/**
993		* tryTransfer returns false and does not enqueue if there are no
994		* consumers waiting to poll or take.
995		*/
996	<	public void testTryTransfer2() {
996	>	public void testTryTransfer2() throws InterruptedException {
997		final LinkedTransferQueue q = new LinkedTransferQueue();
998		assertFalse(q.tryTransfer(new Object()));
999		assertFalse(q.hasWaitingConsumer());
1000	<	assertTrue(q.isEmpty());
959	<	assertEquals(0, q.size());
1000	>	checkEmpty(q);
1001		}
1002
1003		/**
#	Line 968 | Line 1009 | public class LinkedTransferQueueTest ext
1009		final LinkedTransferQueue q = new LinkedTransferQueue();
1010
1011		Thread t = newStartedThread(new CheckedRunnable() {
1012	<	void realRun() {
1012	>	public void realRun() {
1013		while (! q.hasWaitingConsumer())
1014		Thread.yield();
1015		threadAssertTrue(q.hasWaitingConsumer());
#	Line 978 | Line 1019 | public class LinkedTransferQueueTest ext
1019		}});
1020
1021		assertTrue(q.poll(MEDIUM_DELAY_MS, MILLISECONDS) == hotPotato);
1022	<	assertTrue(q.isEmpty());
1022	>	checkEmpty(q);
1023		t.join();
1024		}
1025
#	Line 991 | Line 1032 | public class LinkedTransferQueueTest ext
1032		final LinkedTransferQueue q = new LinkedTransferQueue();
1033
1034		Thread t = newStartedThread(new CheckedRunnable() {
1035	<	void realRun() {
1035	>	public void realRun() {
1036		while (! q.hasWaitingConsumer())
1037		Thread.yield();
1038		threadAssertTrue(q.hasWaitingConsumer());
#	Line 1001 | Line 1042 | public class LinkedTransferQueueTest ext
1042		}});
1043
1044		assertTrue(q.take() == hotPotato);
1045	<	assertTrue(q.isEmpty());
1045	>	checkEmpty(q);
1046		t.join();
1047		}
1048
#	Line 1013 | Line 1054 | public class LinkedTransferQueueTest ext
1054		final LinkedTransferQueue q = new LinkedTransferQueue();
1055
1056		Thread toInterrupt = newStartedThread(new CheckedInterruptedRunnable() {
1057	<	void realRun() throws InterruptedException {
1057	>	public void realRun() throws InterruptedException {
1058		q.tryTransfer(new Object(), LONG_DELAY_MS, MILLISECONDS);
1059		}});
1060
#	Line 1029 | Line 1070 | public class LinkedTransferQueueTest ext
1070		final LinkedTransferQueue q = new LinkedTransferQueue();
1071
1072		Thread t = newStartedThread(new CheckedRunnable() {
1073	<	void realRun() throws InterruptedException {
1073	>	public void realRun() throws InterruptedException {
1074		threadAssertFalse
1075		(q.tryTransfer(new Object(),
1076		SHORT_DELAY_MS, MILLISECONDS));
1077		}});
1078
1079		Thread.sleep(SMALL_DELAY_MS);
1080	<	assertTrue(q.isEmpty());
1080	>	checkEmpty(q);
1081		t.join();
1082		}
1083
#	Line 1049 | Line 1090 | public class LinkedTransferQueueTest ext
1090		assertTrue(q.offer(four));
1091
1092		Thread t = newStartedThread(new CheckedRunnable() {
1093	<	void realRun() throws InterruptedException {
1093	>	public void realRun() throws InterruptedException {
1094		threadAssertTrue(q.tryTransfer(five,
1095		MEDIUM_DELAY_MS, MILLISECONDS));
1096		threadAssertTrue(q.isEmpty());
#	Line 1059 | Line 1100 | public class LinkedTransferQueueTest ext
1100		assertEquals(2, q.size());
1101		assertEquals(four, q.poll());
1102		assertEquals(five, q.poll());
1103	<	assertTrue(q.isEmpty());
1103	>	checkEmpty(q);
1104		t.join();
1105		}
1106
#	Line 1074 | Line 1115 | public class LinkedTransferQueueTest ext
1115		assertFalse(q.tryTransfer(five, SHORT_DELAY_MS, MILLISECONDS));
1116		assertEquals(1, q.size());
1117		assertEquals(four, q.poll());
1077	–	threadAssertTrue(q.isEmpty());
1118		assertNull(q.poll());
1119	+	checkEmpty(q);
1120		}
1121
1122		private LinkedTransferQueue<Integer> populatedQueue(int n) {
#	Line 1089 | Line 1130 | public class LinkedTransferQueueTest ext
1130		assertFalse(q.isEmpty());
1131		return q;
1132		}
1092	–
1093	–	private static class ConsumerObserver {
1094	–
1095	–	private int waitingConsumers;
1096	–
1097	–	private ConsumerObserver() {
1098	–	}
1099	–
1100	–	private void setWaitingConsumer(int i) {
1101	–	this.waitingConsumers = i;
1102	–	}
1103	–
1104	–	private int getWaitingConsumers() {
1105	–	return waitingConsumers;
1106	–	}
1107	–	}
1133		}

Diff Legend

–	Removed lines
+	Added lines
<	Changed lines
>	Changed lines